[INFO] fetching crate ws2811-spi 0.1.5...
[INFO] testing ws2811-spi-0.1.5 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate ws2811-spi 0.1.5 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate ws2811-spi 0.1.5
[INFO] finished tweaking crates.io crate ws2811-spi 0.1.5
[INFO] tweaked toml for crates.io crate ws2811-spi 0.1.5 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ws2811-spi 0.1.5 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] [stderr]       Adding embedded-hal v0.2.7 (available: v1.0.0)
[INFO] [stderr]       Adding nb v0.1.3 (available: v1.1.0)
[INFO] [stderr]       Adding smart-leds-trait v0.2.1 (available: v0.3.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93e34114cd46421449d69c0a250eb4d2720212547fe3d0b2db534de25df5948e
[INFO] running `Command { std: "docker" "start" "-a" "93e34114cd46421449d69c0a250eb4d2720212547fe3d0b2db534de25df5948e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93e34114cd46421449d69c0a250eb4d2720212547fe3d0b2db534de25df5948e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93e34114cd46421449d69c0a250eb4d2720212547fe3d0b2db534de25df5948e", kill_on_drop: false }`
[INFO] [stdout] 93e34114cd46421449d69c0a250eb4d2720212547fe3d0b2db534de25df5948e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30fcfc1c2e94385c9116b28118a2031c395f2de09755eaab267a7697a4ef8ddb
[INFO] running `Command { std: "docker" "start" "-a" "30fcfc1c2e94385c9116b28118a2031c395f2de09755eaab267a7697a4ef8ddb", kill_on_drop: false }`
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling rgb v0.8.52
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling smart-leds-trait v0.2.1
[INFO] [stderr]    Compiling ws2811-spi v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `RGBW`
[INFO] [stdout]   --> src/prerendered.rs:12:46
[INFO] [stdout]    |
[INFO] [stdout] 12 | use smart_leds_trait::{SmartLedsWrite, RGB8, RGBW};
[INFO] [stdout]    |                                              ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "30fcfc1c2e94385c9116b28118a2031c395f2de09755eaab267a7697a4ef8ddb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30fcfc1c2e94385c9116b28118a2031c395f2de09755eaab267a7697a4ef8ddb", kill_on_drop: false }`
[INFO] [stdout] 30fcfc1c2e94385c9116b28118a2031c395f2de09755eaab267a7697a4ef8ddb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7bb63d9a8ca2f7b37fdb0e12e12a636131a00b48734b5cc1bb3241faaccc0b37
[INFO] running `Command { std: "docker" "start" "-a" "7bb63d9a8ca2f7b37fdb0e12e12a636131a00b48734b5cc1bb3241faaccc0b37", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `RGBW`
[INFO] [stdout]   --> src/prerendered.rs:12:46
[INFO] [stdout]    |
[INFO] [stdout] 12 | use smart_leds_trait::{SmartLedsWrite, RGB8, RGBW};
[INFO] [stdout]    |                                              ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ws2811-spi v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `RGBW`
[INFO] [stdout]   --> src/prerendered.rs:12:46
[INFO] [stdout]    |
[INFO] [stdout] 12 | use smart_leds_trait::{SmartLedsWrite, RGB8, RGBW};
[INFO] [stdout]    |                                              ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "7bb63d9a8ca2f7b37fdb0e12e12a636131a00b48734b5cc1bb3241faaccc0b37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bb63d9a8ca2f7b37fdb0e12e12a636131a00b48734b5cc1bb3241faaccc0b37", kill_on_drop: false }`
[INFO] [stdout] 7bb63d9a8ca2f7b37fdb0e12e12a636131a00b48734b5cc1bb3241faaccc0b37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3501d8e4b3f063f87f0486501176ffd76b27819c881de30a8907296323912a43
[INFO] running `Command { std: "docker" "start" "-a" "3501d8e4b3f063f87f0486501176ffd76b27819c881de30a8907296323912a43", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `RGBW`
[INFO] [stdout] 
[INFO] [stderr]   --> src/prerendered.rs:12:46
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 12 | use smart_leds_trait::{SmartLedsWrite, RGB8, RGBW};
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |                                              ^^^^
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ws2811-spi` (lib) generated 1 warning (run `cargo fix --lib -p ws2811-spi` to apply 1 suggestion)
[INFO] [stderr] warning: `ws2811-spi` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ws2811_spi-d245d2ea490c43ce)
[INFO] [stderr]    Doc-tests ws2811_spi
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3501d8e4b3f063f87f0486501176ffd76b27819c881de30a8907296323912a43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3501d8e4b3f063f87f0486501176ffd76b27819c881de30a8907296323912a43", kill_on_drop: false }`
[INFO] [stdout] 3501d8e4b3f063f87f0486501176ffd76b27819c881de30a8907296323912a43